Tench · Tinca tinca

Tench in the River Glaven

Largest measured tench: 42 cm

The largest tench measured in Environment Agency surveys of the River Glaven was 42 cm, recorded at Cley Sluice on 9 July 1999.

Across 11 measured tench, the median measured length was 17.8 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Glaven.

See tench records across England →

Most recent observation3 June 2014D/s Hunworth railway bridge · 1 fish

Largest measured tench: 42 cm
Median length: 17.8 cm
Fish measured: 11
Survey locations: 4

Individual EA measurements

Largest measured tench

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
42 cm	9 Jul 1999	Cley Sluice	17754
28.5 cm	31 Mar 1994	Upstream Wiveton Bridge	16853
26.8 cm	31 Mar 1994	Upstream Wiveton Bridge	16853
20.2 cm	3 Jun 2014	D/s Hunworth railway bridge	141515
19 cm	29 Mar 1994	Upstream Glandford Mill	16852
17.8 cm	29 Mar 1994	Upstream Glandford Mill	16852
16.4 cm	29 Mar 1994	Upstream Glandford Mill	16852
16.2 cm	29 Mar 1994	Upstream Glandford Mill	16852
13.2 cm	19 May 2008	Upstream Wiveton Bridge	112080
11.3 cm	9 May 2008	Upstream Glandford Mill	110959

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where tench were found

Each point marks a survey location with at least one tench record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyed	First recorded	Last recorded	Visits finding tench
D/s Hunworth railway bridge	3 Jun 2014	3 Jun 2014	1
Upstream Wiveton Bridge	31 Mar 1994	19 May 2008	2
Upstream Glandford Mill	29 Mar 1994	9 May 2008	2
Cley Sluice	9 Jul 1999	9 Jul 1999	1

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1994–2014

Survey records by year

Each bar shows how many survey visits recorded tench that year.

294

095

096

097

098

199

000

001

002

003

004

005

006

007

208

009

010

011

012

013

114

Fish measured by surveyors

Measured length distribution

See how the 11 measured fish were spread across different length ranges.

Smallest: 7.5 cm
Lower quarter: 14.7 cm
Median: 17.8 cm
Upper quarter: 23.5 cm
Largest: 42 cm

0–99 mm

100–199 mm

200–299 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Glaven

Compare other species with enough survey and measurement data for a detailed page.

Bullhead 3-spined stickleback European eel Brook lamprey Pike Perch

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →